I've heard that some people are getting slightly better speeds using download managers, but I've never tried. Right now, the major issues on Hog and 180 seem to be related to traffic, and vidhog is promising that they'll get better, and I expect the same from 180.

Instead of editing the streaming link, if you want the actual download link, then you can extract it from the source code.

After loading a 180 page click through with the button that says continue...

On the next page, right click and select view page source or something similar with the word source in it.

In windows you can use Ctrl + F to search the source code for :80 and the result will be found inside the download link that you want. There's 4 of them, but they're all the same. Copy & paste the link to your address bar. This is the original download link, with original filename, that used to be associated with the download button that they have since removed.

If you use this method regularly, as I do, then you wont even have to do the page search. You can just pull the scroll bar three-quarters of the way down the source page and the link will be there in the same place every time.